251109456

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{402419}}^1$

素因数の和:402443

約数の個数: 40

約数和(自身を含む): 698601120

約数和(自身を除く): 447491664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 402419, 804838, 1207257, 1609676, 2414514, 3219352, 4829028, 5231447, 6438704, 9658056, 10462894, 15694341, 19316112, 20925788, 31388682, 41851576, 62777364, 83703152, 125554728, 251109456]

約数ペア:

[(1, 251109456), (2, 125554728), (3, 83703152), (4, 62777364), (6, 41851576), (8, 31388682), (12, 20925788), (13, 19316112), (16, 15694341), (24, 10462894), (26, 9658056), (39, 6438704), (48, 5231447), (52, 4829028), (78, 3219352), (104, 2414514), (156, 1609676), (208, 1207257), (312, 804838), (624, 402419)]